The chronicle of the COVID-19 pandemic in the United States 2020 handle the program of the COVID-19 pandemic in the United States in 2020, at the Level of the Confederation as well as the states. The first case of a Covid-19-disease triggered by the SARS COV 2 infection was identified in the USA on 21 January in the state of Washington at a traveler from the Chinese city of Wuhan. Up until the end of the year, the United States should record virtually 20 million situations. The socio-economic effect of the pandemic were substantial. The pandemic showed three waves in the United States in 2020. The springtime and also summer wave were regional. In these first 2 waves, concerning 60,000 people with Covid-19 were hospitalized to the respective emphasis. Winter wave struck the whole nation, at the climax had to be treated greater than 132,000 corona patients in healthcare facilities. After a study released in January 2021 in the Procedures of the National Academy of Sciences, the figures o...